Home / 2,789,241,858.04-3,849,075,145.26-1,519,054,171.78

Finding the Fourth Proportional to 2,789,241,858.04, 3,849,075,145.26 and 1,519,054,171.78

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Solution

The fourth proportional to 2,789,241,858.04, 3,849,075,145.26 and 1,519,054,171.78 is: 2,096,251,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,241,858.04 : 3,849,075,145.26 = 1,519,054,171.78 : x
  2. Step 2: Convert to fraction form
    2,789,241,858.04/3,849,075,145.26 = 1,519,054,171.78/x
  3. Step 3: Cross multiply
    2,789,241,858.04x = 3,849,075,145.26 × 1,519,054,171.78
  4. Step 4: Simplify right side
    2,789,241,858.04x = 5,846,953,656,901,912,576
  5. Step 5: Solve for x
    x = 5,846,953,656,901,912,576/2,789,241,858.04
  6. Step 6: Final answer
    x = 2,096,251,940.31

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Double scale
Find fourth proportional to 2,789,241,859.04, 3,849,075,146.64 and 1,519,054,172.78
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.